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Commit 5cfb3c3a authored by Dave Airlie's avatar Dave Airlie
Browse files

vga_switcheroo: make power switch handler optional 



At least on the nvidia mux the power switch seems to be executed
by the ACPI PS0/PS3 methods so need to do it explicitly.

Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 6c2df40e

drivers/gpu/vga/vga_switcheroo.c

+4 −4
Original line number Diff line number Diff line
@@ -191,9 +191,8 @@ static int vga_switcheroo_debugfs_open(struct inode *inode, struct file *file) 


static int vga_switchon(struct vga_switcheroo_client *client)

{

	int ret;



	ret = vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_ON);

	if (vgasr_priv.handler->power_state)

		vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_ON);

	/* call the driver callback to turn on device */

	client->set_gpu_state(client->pdev, VGA_SWITCHEROO_ON);

	client->pwr_state = VGA_SWITCHEROO_ON;
@@ -204,6 +203,7 @@ static int vga_switchoff(struct vga_switcheroo_client *client) 
{

	/* call the driver callback to turn off device */

	client->set_gpu_state(client->pdev, VGA_SWITCHEROO_OFF);

	if (vgasr_priv.handler->power_state)

		vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_OFF);

	client->pwr_state = VGA_SWITCHEROO_OFF;

	return 0;